Pith Number

pith:7LXMOWDX

pith:2025:7LXMOWDXT7XOOC65SKFENMGIDS

not attested not anchored not stored refs pending

Cosmo-Learn: code for learning cosmology using different methods and mock data

Daniela Grand\'on, Gene Carlo Belinario, Jackson Levi Said, Reginald Christian Bernardo, Reinabelle Reyes, V\'ictor H. C\'ardenas

arxiv:2508.20971 v2 · 2025-08-28 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LXMOWDXT7XOOC65SKFENMGIDS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-08-04T01:51:48.170884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faeec758779feee70bdd928a46b0c81ca6003846b2f741043030208611865fa7

Aliases

arxiv: 2508.20971 · arxiv_version: 2508.20971v2 · doi: 10.48550/arxiv.2508.20971 · pith_short_12: 7LXMOWDXT7XO · pith_short_16: 7LXMOWDXT7XOOC65 · pith_short_8: 7LXMOWDX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7LXMOWDXT7XOOC65SKFENMGIDS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: faeec758779feee70bdd928a46b0c81ca6003846b2f741043030208611865fa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1853da59057597f56ca9669ec1b393d19f9e5526360b2358bd208b913e891395",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-08-28T16:25:22Z",
    "title_canon_sha256": "19a70ac04ba27aa53d77a909abd9b2ca561a8b65ab4deb65a35a7ef533e8053c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20971",
    "kind": "arxiv",
    "version": 2
  }
}